420140196

素因数分解:

$2^2\times 3^8\times 7^1\times {\mathrm{2287}}^1$

素因数の和:2322

約数の個数: 108

約数和(自身を含む): 1260907648

約数和(自身を除く): 840767452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1458, 1701, 2187, 2268, 2287, 2916, 3402, 4374, 4574, 5103, 6561, 6804, 6861, 8748, 9148, 10206, 13122, 13722, 15309, 16009, 20412, 20583, 26244, 27444, 30618, 32018, 41166, 45927, 48027, 61236, 61749, 64036, 82332, 91854, 96054, 123498, 144081, 183708, 185247, 192108, 246996, 288162, 370494, 432243, 555741, 576324, 740988, 864486, 1111482, 1296729, 1667223, 1728972, 2222964, 2593458, 3334446, 3890187, 5001669, 5186916, 6668892, 7780374, 10003338, 11670561, 15005007, 15560748, 20006676, 23341122, 30010014, 35011683, 46682244, 60020028, 70023366, 105035049, 140046732, 210070098, 420140196]

約数ペア:

[(1, 420140196), (2, 210070098), (3, 140046732), (4, 105035049), (6, 70023366), (7, 60020028), (9, 46682244), (12, 35011683), (14, 30010014), (18, 23341122), (21, 20006676), (27, 15560748), (28, 15005007), (36, 11670561), (42, 10003338), (54, 7780374), (63, 6668892), (81, 5186916), (84, 5001669), (108, 3890187), (126, 3334446), (162, 2593458), (189, 2222964), (243, 1728972), (252, 1667223), (324, 1296729), (378, 1111482), (486, 864486), (567, 740988), (729, 576324), (756, 555741), (972, 432243), (1134, 370494), (1458, 288162), (1701, 246996), (2187, 192108), (2268, 185247), (2287, 183708), (2916, 144081), (3402, 123498), (4374, 96054), (4574, 91854), (5103, 82332), (6561, 64036), (6804, 61749), (6861, 61236), (8748, 48027), (9148, 45927), (10206, 41166), (13122, 32018), (13722, 30618), (15309, 27444), (16009, 26244), (20412, 20583)]